viessmann.ch

Observed Aug 2, 2026, 16:26 UTC (3h ago). Every field below was attested with an Ed25519 signature at scan time. Catalog observation, re-checked on rotation - watch it for 5-minute checks.

Verify this receipt yourself + Watch this domain

Up right now

Email byProofpoint

Secured byLet's Encrypt

Also usesGoogle Search ConsoleFacebook/Meta

majestic

Every line above is a signed observation. Check the math at the bottom of the page.

INFRASTRUCTURE MAPwhat viessmann.ch actually stands on - every host below is a signed observation

viessmann.ch

A / AAAA

93.122.86.52

unattributedserves the site

d.ns14.netc.ns14.netb.ns14.neta.ns14.net

ns14.netanswers its DNS

mxa-0065c301.gslb.pphosted.commxb-0065c301.gslb.pphosted.com

Proofpointreceives its email

TLS

viessmann.ch

Let's Encryptissued its certificate

DNS Records

A 1

93.122.86.52

MX 2

10mxa-0065c301.gslb.pphosted.com
10mxb-0065c301.gslb.pphosted.com

TXT 7

google-site-verification=D-Pk_sk9G0zV_4kh1Pgwk2xsGa_t9AbLd-TqNOUmnqo
MS=ms65764533
google-site-verification=6c3c_lnVgPa-36_E-Sapp_uTz5hLsLUveO_L2Z2DE5g
google-site-verification=zfrVhzA40cKTw600Pw7gY_GLvIrN5307oqVF3SDLYYo
google-site-verification=4KK95T-bfEMPe9cqqGA9rC9CVNG_BBaNrfeuZtkJ81s
facebook-domain-verification=9vr3t8nmgv7v86svb0hoy2y4u8xdvp
v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com include:spf.mailjet.com -all

NS 4

d.ns14.net
c.ns14.net
b.ns14.net
a.ns14.net

SOA 1

a.ns14.net do-not-reply.viessmann.ch

DMARC_RECORDS 1

v=DMARC1; p=none; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com;

TLS Certificates (3)

Common Name	Issuer	Expires
`viessmann.ch`	C=US, O=Let's Encrypt, CN=YR2	Mon, 21 Sep 2026 20:56:23 +0000
`YR2`	C=US, O=ISRG, CN=Root YR	Sat, 02 Sep 2028 23:59:59 +0000
`Root YR`	C=US, O=Internet Security Research Group, CN=ISRG Root X1	Thu, 02 Sep 2032 23:59:59 +0000

Subdomains (0)

None observed.

The proof

Signed at scan time. Check the math yourself. Every line above is part of one signed observation. Re-hash it and check the Ed25519 signature in your own browser; nothing leaves your machine.

Verify this receipt

Put the receipt on your own site. A live badge showing what DomainDrift observes and signs for viessmann.ch. It updates itself. It attests a signed observation - not that the site is safe.

<a href="https://domaindrift.io/t/viessmann.ch">
  <img src="https://domaindrift.io/badge/viessmann.ch.svg"
       width="300" height="64" alt="DomainDrift signed observations for viessmann.ch">
</a>

Ed25519 Receipt

Receipt ID: rcpt_bdb5da5a216941d6
Output Hash: d1f5e95abd580951e1f38323b317ff73e046ed50fb294128ce6d6c67d183b3b3
Signature: ed25519:3e5eed5fc682319270dedd1d3bb87795401e17b9606d17ac6b45b03128de5d227f5e9cf6bfb6ca577c29e962492995cc323a4c519b7c406e72ef7173ff19fb06
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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